﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.ComponentModel.Composition;

namespace IntroToMef
{
    [Export(typeof(IPerson))]
     internal class Student : IPerson
    {

        public void Say()
        {
            Console.WriteLine("student");
        }
    }
}
